18006784

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{2269}}^1$

素因数の和:2316

約数の個数: 36

約数和(自身を含む): 37119040

約数和(自身を除く): 19112256

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 992, 1984, 2269, 3968, 4538, 7936, 9076, 18152, 36304, 70339, 72608, 140678, 145216, 281356, 290432, 562712, 580864, 1125424, 2250848, 4501696, 9003392, 18006784]

約数ペア:

[(1, 18006784), (2, 9003392), (4, 4501696), (8, 2250848), (16, 1125424), (31, 580864), (32, 562712), (62, 290432), (64, 281356), (124, 145216), (128, 140678), (248, 72608), (256, 70339), (496, 36304), (992, 18152), (1984, 9076), (2269, 7936), (3968, 4538)]